Home / 34,378,952.78-47,443,852.39-18,909,443.38

Finding the Fourth Proportional to 34,378,952.78, 47,443,852.39 and 18,909,443.38

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Solution

The fourth proportional to 34,378,952.78, 47,443,852.39 and 18,909,443.38 is: 26,095,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,378,952.78 : 47,443,852.39 = 18,909,443.38 : x
  2. Step 2: Convert to fraction form
    34,378,952.78/47,443,852.39 = 18,909,443.38/x
  3. Step 3: Cross multiply
    34,378,952.78x = 47,443,852.39 × 18,909,443.38
  4. Step 4: Simplify right side
    34,378,952.78x = 897,136,840,497,782.62
  5. Step 5: Solve for x
    x = 897,136,840,497,782.62/34,378,952.78
  6. Step 6: Final answer
    x = 26,095,525.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.